0335305D First prime exponent not supplied.

Explanation
A gsk_buffer structure containing the first prime
exponent for the RSA key was not supplied on the call, or not supplied
in the gsk_private_key structure.

User response
Ensure that a gsk_buffer structure containing
the prime exponent for the RSA key is supplied on the function call,
or is defined in the gsk_private_key structure.